Attachment for spinning-spindles.



, v T. LEWIS; ATTACHMENT FOB. SPINNIN G SPINDLESI.

APPLICATION FILED JAN. 6, 1911.

' Patented A r. 30, 1912.

8 m w W moku'srs outrun srrrrns orrrou .THGMAS LEWES, OF SGBANTQN, PENNSYLVANIA.

inca n te.

To: all whom it may concern Be it "lOWIl that I, THOMAS Lnwis, a citi particularly to an attachment of this class,

which comprises a spring for holding a spindie-carrying sleeve in a normal position relato its support, and constituting a keeper adapted to prevent the accidental displacement of the spindle from the sleeve.

object of the invention is to provide a simple and eilicient attachmentfor use with difiere'nt kinds of spinning spindles in cotton spinning and other like machinery, which" can be inexpensively produced, which can be easily applied, which requires no structural changes in the spindles or other parts of the mechanism associated therewith, by means. of which the spindlecarrying member is resiliently held in a normal position, and which constitutes a keeper manually releasable and serving to prevent the accidental displacement of the spindle from its carrier.

A further object of the invention is to provide an attachment for spinning spindles, which serves to hold the spindle-carrying member resiliently in a normal position, w ich acts as a'keeper for the spindle itself, and which constitutes a lock, to prevent the acbidental displacement of a nut or similar element used to secure the spindle-carrying member in position.

The invention consists in the construction and combination of parts to be more fully described hereinafter and particularly set forth in the claims.

Reference is'to be had to the accompany! ing drawings forming a part of this specification, in which similar characters of .re'ference indicate corresponding parts in all the views, and in Wl11Cl1 Figure 1 is a side elevation of av spinning spindle having anfatt-achment of my invention applied theretQ -Figf2 is. a longitudinal section onfthe line i Fig. 1 and Fig. 3 is a transverse s'ec ionfn the line 3'3- ct Fig.

Specification (if-Letters Patent.

ATTACHMENT FOR, SPINNING-SPKNDLES.

Patented Apr. 30, 1912.

having this function, but embodying in addition, two features which are necessary to the proper operation of the spindles. These f atures comp *ise the keeper for preventing accidental displacement of the spindle from the carrier, and the locking devicefor pre-' venting the accidental displacement of the nut or other element used toretain the spindle-carrying sleeve or like element inposition. In this way is obviated the necessity of a special or separate lock nut with'each spindle-carrier, and a separate keeper for each spindle. Furthermore, the attachment is so constructed that neither the locking device nor the keeper will become inoperative through the vibration incident to the high speed of revolution ofthe spindle.

Certain of the details of construction form no part of the invention, and can be varied in accordance with individual preference and special conditions, without departing from the underlying. spirit of the invention. Referring more particularly to the drawings, Ihave shown for example, a support 10, consisting of a bar or plate having an opening 11 for a purpose which will appear hereinafter. The support may consist of a movable member, or may constitute the rail .of the machine, which carries all the spin- :dles', lf-it is a movable member it is mounted upon therail or corresponding frame part'otthe' machine, so that the spindle smaller in diameter than the opening. At,

the upper end the shank the sleeve has. a"

- lateraHv-extended part 14 forming a flange" which rests or seats upon the support. The lower end of the shank is threaded and can ries a removable retaining nut 15.

Above the flange 14: the sleeve has a reduced part 16 and terminates at the upper end in a head 17 of cylindrical form and somewhat larger in diameter than the part 16. The sleeve is hollow and is open at the upper end. The spindle 18 has the. usual tapered part 19, which carries the bobbin (not shown), the latter being provided with an opening to receivethe tapered spindle. At the lower end, the spindle has a cylindrical enlargement 20, which is open at the bottom, and is formed to receive the head 17 and the part 16 of the spindle-carrying sleeve. Within the enlargement 20 of the spindle is-a downwardly extending, tapered finger 21 which enters the sleeve. The latter forms a bearing for the spindle, which is mounted to revolve rapidly, the sleeve also forming a lubricant reservoir. The con structicn described above is the customary one. At the lower edge, the part 20 has a laterally extended flange or collar 29.

My attachment comprises a body 23 constituting a helical spring. The device is preferably fashioned from suitable spring steel wire or the like. The body is mounted upon the shank 13 of the sleeve, and at the upper end engages under the support 10, and at the lower end abuts against the nut 15. The body has the lower end 24 downwardly disposed to engage at a face of the nut, thus constituting a lock therefor, and preventing the accidental turning of the nut. The upper coil of the spring is outwardly extended to form an arm 25 having a vertically disposed part 26 projecting upwardly at the side of the support. The part 26 has the upper extremity 27 inwardly and downwardly bent, so that it projects over the flange 22 of the spindle, thus constituting a keeper for the same and preventing its accidental withdrawal from the sleeve.-

It is desirable to have the spindle sleeve loosely mounted so that in withdrawing a. bobbin from the spindle, the latter can be inclined slightly, without injuring it. For this reason, the opening 11 is somewhat larger in diameter than the shank 12'0t the sleeve. The spring tends to hold the sleeve in a normal position, that is, at right angles with respect to the support. The tension of the spring-can be suitably adjusted by means of the retaining nut 15..

lVhen it is desired to remove the spindle from the sleeve, the. keeper which resiliently tends to maintain its normal position, can be manually displaced. In returning the spindle to its' position upon the sleeve, it is merely necessarv to force it downward, the

'flange 22 displacing the keeper and riding into position beyond it, owing to the incli nation otthe part 2!.

Having thus described my invention, I claim as new, and desire to secure by Letters Patent:

1. The combination with a support, a sleeve carried thereby, a retaining member for said sleeve, and a spindle mounted upon said sleeve, of a helical spring mounted directly upon said sleeve and engaging said member and serving to hold the same resiliently in position relative to said support, and having one end constituting a keeper tor holding said spindle in position relative to said sleeve.

2. An attachment of the class described, comprising a spring directly applicable to and serving for holding a spimile-carrying sleeve in anormal position relative to its support, and having a keeper adapted to prevent the accidental displacement of the spindle from the sleeve, and having, fu e more, a lock to prevent the accidental 1 placement from the sleeve of a retaining nut associated therewith.

3. An attachment of the class described, comprising a spring for holding a spindlecarrying sleeve in a normal position relative to its support, and having an' end formed into a keeper adapted to prevent the accidental displacement of the spindle from the sleeve, and having another end constituting a lock to' prevent the accidental displacement from the slee e of the retaining nut associated therewith.

4. An attachment of the class described, comprising a helical spring adapted to surround the base of a'spindle-carrying sleeve and having at one end thereof a laterally disposed part constituting a nut lock, and having at the other end thereof an 'outwardly extended part constituting a spindle keeper.

5. The combination, with a support, a sleeve carried thereby, and a spindle mounted upon said sleeve, said sleeve having a retaining nut, of a spring mounted upon said sleeve and engaging-said support; and said nut, and serving to hold said sleeve in a normal posit-ion relative-to said support, said spring having at the lowerv end a part constituting a lock for said nut, and having at the upper end an arm constituting a keeper to prevent the accidental displacement of said spindle from said sleeve,

sleeve carried thereby, and a spindle mounted upon said sleeve and having a flange, said sleeve having a retaining nut, of a spring mounted upon said sleeve and engaging said support and said nut, and serving to hold said sleeve in a normal position relative to said support, said spring having the lower end downwardly disposed and lock the same, said spring. having at the upper end an outwardly and upwardly disadapted' to engage at a face of said nut to 6. The combination with a support, a n

posed arm provided with a downwardly and inwardly inclined extremity adapted to ex- ,tend over said flange of said spindle and thus serving as ake'eper to prevent the accidental displacement of said spindle from said sleeveQ 7. Thecombinatio'n with aQ support, a sleeve mounted thereon, a retaining nut for said sleeve, and a spindle carried by said I sleeve, of a helical spring constituting a nutlock, to prevent the accidental displacement of .said nut, and further constituting a v keeper to prevent the accidental displacement of said spindle from said sleeve.

In testimony whereof I'have signed my 15 name to this specification in the presence of two subscribing Witnesses.

HOMAS LEWIS.

VVitness'es ALFRED W. THOMAS, KARL SLOAT. 

